The Nomatic Navigator RS Backpack 15L is built for the minimalist that still needs a functional and feature-rich pack for everyday use. This pack can expand an additional 6L, taking it from 15 liters to 21 liters if you need more space while on the move. The back of the bag features an EVA formed foam panel for comfort and breathability. There is also a luggage handle pass-through sleeve for seamless integration with a roller bag. The RS Backpack 15L also comes with an adjustable sternum strap on the backpack straps to help with even weight distribution. Comfortable, functional, and sleek, the RS Backpack 15L is destined to be your daily sidekick.